diff options
Diffstat (limited to 'drivers/iommu/amd_iommu_types.h')
-rw-r--r-- | drivers/iommu/amd_iommu_types.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index c9e080c..b7583cb 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -93,6 +93,11 @@ #define FEATURE_PASID_SHIFT 32 #define FEATURE_PASID_MASK (0x1fULL << FEATURE_PASID_SHIFT) +#define FEATURE_GLXVAL_SHIFT 14 +#define FEATURE_GLXVAL_MASK (0x03ULL << FEATURE_GLXVAL_SHIFT) + +#define PASID_MASK 0x000fffff + /* MMIO status bits */ #define MMIO_STATUS_COM_WAIT_INT_MASK (1 << 2) #define MMIO_STATUS_PPR_INT_MASK (1 << 6) @@ -257,6 +262,22 @@ #define IOMMU_PTE_IW (1ULL << 62) #define DTE_FLAG_IOTLB (0x01UL << 32) +#define DTE_FLAG_GV (0x01ULL << 55) +#define DTE_GLX_SHIFT (56) +#define DTE_GLX_MASK (3) + +#define DTE_GCR3_VAL_A(x) (((x) >> 12) & 0x00007ULL) +#define DTE_GCR3_VAL_B(x) (((x) >> 15) & 0x0ffffULL) +#define DTE_GCR3_VAL_C(x) (((x) >> 31) & 0xfffffULL) + +#define DTE_GCR3_INDEX_A 0 +#define DTE_GCR3_INDEX_B 1 +#define DTE_GCR3_INDEX_C 1 + +#define DTE_GCR3_SHIFT_A 58 +#define DTE_GCR3_SHIFT_B 16 +#define DTE_GCR3_SHIFT_C 43 + #define IOMMU_PAGE_MASK (((1ULL << 52) - 1) & ~0xfffULL) #define IOMMU_PTE_PRESENT(pte) ((pte) & IOMMU_PTE_P) @@ -283,6 +304,7 @@ domain for an IOMMU */ #define PD_PASSTHROUGH_MASK (1UL << 2) /* domain has no page translation */ +#define PD_IOMMUV2_MASK (1UL << 3) /* domain has gcr3 table */ extern bool amd_iommu_dump; #define DUMP_printk(format, arg...) \ @@ -344,6 +366,8 @@ struct protection_domain { u16 id; /* the domain id written to the device table */ int mode; /* paging mode (0-6 levels) */ u64 *pt_root; /* page table root pointer */ + int glx; /* Number of levels for GCR3 table */ + u64 *gcr3_tbl; /* Guest CR3 table */ unsigned long flags; /* flags to find out type of domain */ bool updated; /* complete domain flush required */ unsigned dev_cnt; /* devices assigned to this domain */ @@ -611,6 +635,9 @@ extern bool amd_iommu_v2_present; extern bool amd_iommu_force_isolation; +/* Max levels of glxval supported */ +extern int amd_iommu_max_glx_val; + /* takes bus and device/function and returns the device id * FIXME: should that be in generic PCI code? */ static inline u16 calc_devid(u8 bus, u8 devfn) |